Études: No. 15

Recording by Philip Glass.

Recording identifiers

ISRC
DEN961631309
CopyrightID (CopyrightChains transaction hash)
0xbe98649c30b09382b908956f5f6623144931c97077e28e6abe2c71f4c60ccf99
Copyright registration time
2026-06-08T17:48:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5a2a9ef8e014419138b3a592acd798267f897437c2fd0e8202c7d1d5ca6fdc3e

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.